UB670 UPS Battery - 4 Pack UPS Replacement Batteries - Reliable Power

Our review of the UB670 UPS Battery - 4 Pack focuses on reliability for small UPS systems and devices that need short-term backup power. The pack contains four UPG D5734 UB670 6V 7Ah sealed lead-acid batteries that are maintenance free and spill proof, making them suitable for home office UPS units, network gear, and small electronics. The single biggest reason to buy is straightforward: these are compact, rechargeable SLA/AGM units that resist shock and vibration and arrive with a full one year warranty, so they are a practical swap-in set for equipment that requires consistent standby power.

Key Features

• 6V 7Ah capacity: Provides dependable short-term backup power for UPS units and small electronics when mains power fails.
• Pack of 4: Supplies multiple replacements at once so users can service several UPS units or keep spares on hand for future swaps.
• SLA/AGM maintenance free: Requires no watering or maintenance, reducing the effort to keep backup systems ready.
• Spill proof and mountable in any position: The sealed design lets installations fit into tight spaces and nonstandard orientations without leakage risk.
• Resists shock and vibration: Durable construction helps in environments with occasional movement or mounted network racks.
• Full one year warranty: Adds reassurance against early defects and short-term failures after purchase.

Who It's For

The UB670 4 pack is ideal for small business IT managers, home office users, and hobbyists who maintain several UPS units or need multiple spare batteries. It suits anyone who prefers sealed lead-acid technology for its predictability and low maintenance, especially where battery orientation or limited space is a concern.

Those who should look elsewhere include users who require higher capacity or long-duration backup solutions, or those who need lithium-based batteries for lighter weight and longer cycle life; this pack is explicitly a compact 6V 7Ah SLA/AGM solution rather than a long-run or ultralight option.

Pros & Cons

Pros

• Maintenance free SLA/AGM design simplifies upkeep and reduces installation steps.
• Compact dimensions (5.94 in x 1.34 in x 3.94 in) make it easy to fit into many UPS enclosures.
• Sealed, spill proof construction allows mounting in any position and safer handling.
• Includes a full one year warranty for initial peace of mind after purchase.

Cons

• At 2.43 lbs each, these batteries are heavier than some newer chemistries, which may matter for weight-sensitive installs.
• Not intended for applications that require long run times or higher than 7Ah capacity per battery.

Specifications

Model	UPG D5734 UB670
Voltage	6V
Capacity	7Ah
Pack Quantity	4
Dimensions	5.94 in x 1.34 in x 3.94 in
Weight	2.43 Lbs per battery
Type	SLA/AGM sealed lead-acid, maintenance free

Our Verdict

The UB670 UPS Battery - 4 Pack is a practical, no-nonsense solution for replacing or stocking spare batteries for UPS units and small backup systems. Its sealed AGM design, compact size, and one year warranty make it good value for users who need reliable short-term backup and easy installation, though those needing longer runtimes or lighter weight should consider alternate chemistries.

Frequently Asked Questions

Can these be mounted on their side or upside down?
Yes. The batteries are sealed and spill proof, so they can be mounted in any position recommended by the UPS maker.

Are these maintenance free?
Yes. They are SLA/AGM sealed lead-acid batteries and do not require watering or regular maintenance.

What warranty is included?
The pack is sold with a full one year warranty covering defects and early failures.